Patents by Inventor Jerrold L. Hufford

Jerrold L. Hufford has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method of air-conditioning employing variable terminal box
    Patent number: 4106552
    Abstract: A heating and air conditioning system and a special variable volume terminal box associated therewith, the system utilizing energy dissipated by the lighting and other building facilities in a controlled manner through the functioning of the variable volume terminal box.
    Type: Grant
    Filed: January 17, 1977
    Date of Patent: August 15, 1978
    Assignee: Armer Construction Company
    Inventor: Jerrold L. Hufford
  • Apparatus for air conditioning employing variable terminal box
    Patent number: 4008756
    Abstract: A heating and air conditioning system and a special variable volume terminal box associated therewith, the system utilizing energy dissipated by the lighting and other building facilities in a controlled manner through the functioning of the variable volume terminal box.
    Type: Grant
    Filed: December 17, 1975
    Date of Patent: February 22, 1977
    Assignee: Armer Construction Company
    Inventor: Jerrold L. Hufford